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Green Computing Thread, Energy Display Meter in Technical; We had one fitted a few weeks ago, worked for 10 minutes then stopped. To get it to that point ...
  1. #46
    morganw's Avatar
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    We had one fitted a few weeks ago, worked for 10 minutes then stopped. To get it to that point took two 'engineers' about 4 hours. They had no concept of networking, just got it to work on a laptop with a default static IP address, didn't work on our network. I reported the fault last week, heard nothing since. I can't ping it and the software can't find it.

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    LeMarchand's Avatar
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    Yep, the 3 sites of mine that got them have all had them pack up. If the scheme is dead, I guess they're none to worried about sorting it out.

  3. #48

    localzuk's Avatar
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    Yup, ours broke overnight after the first night, and its not yet been repaired.

    The 2 engineers also knew nothing about networking and said that they'd been told that it had a fixed IP address that couldn't be changed. Spoke to a guy at British Gas and he said 'the engineers should have programmed a new static IP address into it, as DHCP will stop working'...

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    SimpleSi's Avatar
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    The engineer yesterday couldn't find the setting to enable DHCP so he just gave it a static one.

    Si

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    We have just had ours fitted. Sadly the electrician put in 255.255.255.0 as the subnet mask when ours is 255.255.252.0 so the software cannot see the meter but we have been unable to get anything to connect to it, even a laptop connected directly to it (having changed the snm to 255.255.255.0, of course). Any ideas how we might rescue the situation??
    It is disappointing that the software does not easily make the data available in html format via IIS or similar, though.

  6. #51

    LeMarchand's Avatar
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    Those of you that got an engineer back out, how did you get hold of them?

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    Quote Originally Posted by LeMarchand View Post
    Those of you that got an engineer back out, how did you get hold of them?
    Phone the main number on the Free Energy Display Meter for schools website. If you can, ask for John to be sent out.

    There's also a known issue with static IPs. The DHCP timeout setting that's set to 30 by default needs to be set to 0 or the meter will ignore any static IP settings and grab a DHCP lease.

    It wouldn't be terribly hard to unlock the meter and alter the setting manually (mentioned purely in the spirit of scientific enquiry).
    Last edited by pete; 11th February 2011 at 10:26 AM.

  8. Thanks to pete from:

    LeMarchand (11th February 2011)

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    LeMarchand's Avatar
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    Cheers, will do!

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    speckytecky's Avatar
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    Ours is still working perfekt

    Seems to be a bit of an Admin problem with the system though; the supplier has just been on the phone to the office saying they needed access to install the meter - when it was pointed out to them that we already have one they wouldn't believe the lass and demanded we send a photo of it!

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    The person to talk to is Roy Asamoah on 07525 705967.

    He kindly sent me a tool to access the EDM, which is how you can enable the web server on the EDM and then you can access it via http. There you can configure it and Robert should be your father's brother.
    He mentioned that if you had reconfigured it it might need a hard reboot by removing the power for a minute - pull the transparent cover off and remove the (low voltage) power connector which is next to the CAT5 connector.

  12. Thanks to dthomas from:

    LeMarchand (14th February 2011)

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    LeMarchand's Avatar
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    Quote Originally Posted by speckytecky View Post
    Ours is still working perfekt
    Give it time!

    Quote Originally Posted by dthomas View Post
    The person to talk to is Roy Asamoah on 07525 705967.
    Cheers!

  14. #57
    bondbill2k2's Avatar
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    Seems these have a poor write up on here, I did enquire about cost now the free offer has ended and I think we shall be giving it a miss.

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    Has anyone worked out whether switch in the lower-right hand corner of the top circuit board in the WebRTU Z3 is a reset switch?

    Best I found was a security analysis of the Z1 series from 2008.

    (yes, my urge to fiddle with the thing is rising).

  16. #59

    Sylv3r's Avatar
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    I e-mailed a couple of weeks ago to chase up whether we would still be getting a free monitor after an engineer come last summer holidays and said he didn't have the right part so was to return the following day to fit it. I never got a reply to my e-mail, so I think it's safe to say we won't be getting one. After I spent money on getting a data point installed into the switch room too!

  17. #60


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    Perl script to query the energy display meter and optionally dump to .csv format.

    Caveats:

    • Assumes you have Perl in your path and Linux or Unix (uses strftime).
    • Assumes http://meterIP/ChannelData.xml is available on your meter.
    • Only pulls voltage from one (the first) phase - the voltage on ours doesn't differ between phases. If you want to add the other phases, run it with the "-d" option to dump the array contents and pick the values you need.
    • It's rather hacktastic and needs a good tidy/optimising - it won't currently can't stack options due to the elsif maze. It queries the meter every time (loading $data) and the meter isn't speedy.
    • Running without options will give you usage info.
    • Usual disclaimer about lack of responsibility for getting your cat pregnant.


    Code:
    #!/usr/bin/perl
    
    use strict;
    use warnings;
    
    use LWP::Simple;
    use XML::Simple;
    use Data::Dumper;
    use Getopt::Long;
    
    ## Variables#######################################################
    
    my %opts;
    my $url = 'http://meterIP/ChannelData.xml';
    ##$opts{url} if defined ($opts{url});
    ## 'http://meterIP/ChannelData.xml';
    my $xml = XML::Simple->new();
    my $all;
    my $version;
    my $debug;
    my $showvolts;
    my $showcurrent;
    my $showkwh;
    my $csv;
    my $timestamp;
    my $data = $xml->XMLin(get($url));
    ## substitute (get($url)) with ($url) for a local xml file;
    
    ## Options ########################################################
    Getopt::Long::Configure("bundling");
    GetOptions(
    	"a"	=>	\$all,		
    	"d"	=>	\$debug,
    	"k"   	=>	\$showkwh,
    	"v"	=>	\$showvolts,
    	"c"	=>	\$showcurrent,
    	"s"	=>	\$csv,
    	"u"	=>	\$url,);
    
    ## Show usage #####################################################
    
    sub print_help(){
    	print "\n";
    	print "WebRTU Dumper 0.02 (March 2011) by Pete Hunt \n";
    	print "Released under GPL to anyone who finds it useful \n";
    	print "================================================\n";
    	print "Usage: \n";
    	print "-a       Show everything. \n";
    	print "-c       Show current (all phases). \n";
    	print "-d       Print array generated from xml file. \n";
    	print "-k       Show kwh (incremental).\n";
    	print "-s       Dump time,kwh,voltage,phase1,phase2,phase3 as .csv. \n";
    	print "-v       Show voltage. \n";
    	print "Output is the console unless redirected. \n";
    }
    
    ## Functions ######################################################
    
    ## Dump the whole array
    
    sub print_debug(){
            print Dumper($data);
    }
    
    ## Print the values we care about
    	
    sub print_all(){
    	 timestamp();
    	 print "\n";
    	 just_kwh();
    	 just_volts();
    	 just_current();
    }
    
    sub timestamp(){
    	use POSIX qw/strftime/;
            my $timestamp = strftime("%d-%m-%Y %H:%M:%S", localtime(time));
    	print $timestamp;
    }
    
    sub just_kwh() {
    	my $kwhthou = $data->{Meter}{Channel}[0]{content};
    	$kwhthou =~ s/(\d{1,3}?)(?=(\d{3})+$)/$1,/g;
    	print "KWH:   ",$kwhthou, "\n";
    }
    
    sub just_volts(){
    	my $voltdec = $data->{Meter}{Channel}[5]{content};
    	$voltdec =~s/.$/.$&/;
    	print "Volts: ",$voltdec, "\n";
    }
    
    sub just_current(){
    	my $phase01 = $data->{Meter}{Channel}[8]{content};
    	my $phase02 = $data->{Meter}{Channel}[9]{content};
    	my $phase03 = $data->{Meter}{Channel}[10]{content};
    	$phase01 =~s/.$/.$&/;
    	$phase02 =~s/.$/.$&/;
    	$phase03 =~s/.$/.$&/;
    	print "Current", "\n";
    	print "        Phase 01: ",$phase01, "\n";
    	print "        Phase 02: ",$phase02, "\n";
    	print "        Phase 03: ",$phase03, "\n";
    }
    
    sub dump_csv(){
    # remember we need to un-comma the kwh
    	my $kwhthou = $data->{Meter}{Channel}[0]{content};
    	my $voltdec = $data->{Meter}{Channel}[5]{content};
    	$voltdec =~s/.$/.$&/;
    	my $phase01 = $data->{Meter}{Channel}[8]{content};
    	my $phase02 = $data->{Meter}{Channel}[9]{content};
    	my $phase03 = $data->{Meter}{Channel}[10]{content};
    	$phase01 =~s/.$/.$&/;
    	$phase02 =~s/.$/.$&/;
    	$phase03 =~s/.$/.$&/;
    	timestamp(); 
    	print ",",$kwhthou,",",$voltdec,",",$phase01,",",$phase02,",",$phase03,",","\n";	
    }
    	
    
    ## Do Stuff #######################################################
    
    if ($all){
    	print_all();
    }
    elsif ($debug){
    	print_debug();
    }
    elsif ($showvolts){
    	just_volts();
    }
    elsif ($showcurrent){
    	just_current();
    }
    elsif ($showkwh){
    	just_kwh();
    }
    elsif ($csv){
    	dump_csv();
    }
    else {
    	print_help();
    }

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